3- and 4-phosphorylated phosphatidylinositols in the aquatic plant Spirodela polyrhiza L-Reference-Cited by-同舟云学术

3- and 4-phosphorylated phosphatidylinositols in the aquatic plant Spirodela polyrhiza L

Published:1992-04-01 Issue:1 Volume:283 Page:255-260
ISSN:0264-6021
Container-title:Biochemical Journal
language:en
Short-container-title:

Author:

Brearley C A¹,Hanke D E¹

Affiliation:

1. Botany School, University of Cambridge, Downing Street, Cambridge CB2 3EA, U.K.

Abstract

Labelling of Spirodela polyrhiza L. plants with [3H]inositol and [32P]Pi yielded a series of phosphoinositides which were identified as PtdIns, PtdIns4P and PtdIns(4,5)P2. In addition, systematic degradation of a phospholipid extract identified PtdIns3P. Analysis of the distribution of 32P label between the monoester and diester phosphate groups of PtdIns3P and PtdIns4P revealed differences in the labelling of the monoester phosphate, suggesting that the two PtdInsP species are not synthesized or metabolized in a co-ordinate manner.

Publisher

Portland Press Ltd.

Subject

Cell Biology,Molecular Biology,Biochemistry

Link

https://portlandpress.com/biochemj/article-pdf/283/1/255/606188/bj2830255.pdf

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